S4 V8-4.2L (BHF) (2004)
Fuel Gauge Sender: Service and Repair
Fuel Delivery Unit and Fuel Level Sensor, Assembly Overview - Up to 10.04
Fuel Delivery Unit And Fuel Level Sensor, Assembly Overview
Part 1 (right chamber)
1. Fuel Level Sensor G
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Clipped onto baffle housing in fuel tank
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Resistance values, checking
2. Fuel delivery unit
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Different versions, allocation Parts catalog
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Can only be replaced together with flange
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Fuel pump electrical, checking
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Checking residual pressure
3. Electrical harness connector
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For Fuel level sensor G
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For Transfer Fuel Pump (FP) G6
4. Locking flange
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For fuel delivery unit
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Cannot be replaced separately
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Installed location
5. Ventilation line
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From fuel pressure regulator in fuel filter
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To disconnect, press release button on connection piece
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Do not kink
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Clipped in on fuel tank
6. Oil seal
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Replace
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Install dry
7. Locking ring